Replication Archive
"How does Partisanship Influence Policy Diffusion?"

Daniel M. Butler, UCSD, daniel.butler@gmail.com
Miguel M. Pereira, WUSTL, m.pereira@wustl.edu

Version: July 30, 2018

The replication file includes:
1) Study 1 data (NLC): nlc_data.csv
2) Study 2 data (AMOS: amos_data.csv
3) Replication code: nlc_code.R, and amos_code.R
4) Help file: ReadMe.txt


# To replicate Study 1 (NLC) results (Table 1, Table 2, Table 4 (NLC column), Table A1, Table A2, and Table A6):
1) Open nlc_code.R
2) Set the working directory to location of nlc_data.csv
3) Run code

# To replicate Study 2 (AMOS) results (Table 3, Table 4 (AMOS columns), Table 5, Table 6, Tables A3-A5, Table A7, and Table C1):
1) Open amos_code.R
2) Set the working directory to location of amos_data.csv
3) Run code

# Variables' description in NLC dataset:
  Note: See Appendix D for question wording.
policy.interest: 7-point scale of policy interest (outcome variable)
tr.copartisan2: 1 if respondent received copartisan treatment, 0 otherwise
state: respondent's state (ordered in alphabetical order of state abbreviations)
age: respondent's age in years
gender: 1 - male; 2 - female
educ: 6-point scale of education levels (see Appendix D for details)
elected: 1 if elected official, 0 if staffer
pid.new: self-reported partisanship
nonpart_el: 1 if respondent's municipality has non-partisan elections, 0 otherwise
Republican_treatment: 1 if policy endorsed by Republicans, 0 if endorsed by Democrats

# Variables' description in AMOS dataset:
  Note: See Appendix D for question wording.
diff_party: partisanship of policy endorsers
tr_diff_repub: 1 if republican endorser, 0 otherwise
tr_copartisan: 1 if endorser is from the same party of the respondent, 0 otherwise
party: 1 - republican; 2 - democrat; 3 - independent; 5 - other
libcon: 7-point liberal/conservative scale
progamb_runhigher: 4-point scale of progressive ambition
tenure: number of years in office
partisanelect: 1 - not elected; 2 - non-partisan elections; 3 - partisan elections
dv_policy: 7-point scale of policy interest (outcome variable)
tr_diff_both: 1 if respondent is presented with both policy pros and cons, and 0 otherwise
tr_diff_choice: 1 if respondent is given the choice to see the policy pros or cons, and 0 otherwise
tr_diff_none: 1 if respondent is not given any information on policy pros and cons, and 0 otherwise
choose1: 3 - choose to see no arguments; 2 - choose to see cons first; 1 - choose to see pros first
pros_next: 1 - after seeing pros, choosing to see cons; 0 - after seeing pros, deciding NOT to see cons
cons_next: 1 - after seeing cons, choosing to see pros; 0 - after seeing cons, deciding NOT to see pros
